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US1332429A
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Carpet-sweeper
Assignee: STANLEY MACIEJEWSKI
•
Filing: 1919-06-12
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Granted: 1920-03-02
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Expires: 1939-06-12
Abstract
No abstract record available.
Inventors
- 👤 Czechowicz Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:38
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4075; A47L11/32; A47L11/33; A47L11/4013; A47L11/4025; A47L11/4052; A47L11/4055; A47L11/4063; A47L11/4069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-03-02 | 1923-09-01 | 1924-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-02 | 1927-09-01 | 1928-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-02 | 1931-09-01 | 1932-03-02 | $7700.00 | Window Closed / Lapsed |